Home / 33,420.94-50,153.28-12,644.44

Finding the Fourth Proportional to 33,420.94, 50,153.28 and 12,644.44

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Solution

The fourth proportional to 33,420.94, 50,153.28 and 12,644.44 is: 18,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.94 : 50,153.28 = 12,644.44 : x
  2. Step 2: Convert to fraction form
    33,420.94/50,153.28 = 12,644.44/x
  3. Step 3: Cross multiply
    33,420.94x = 50,153.28 × 12,644.44
  4. Step 4: Simplify right side
    33,420.94x = 634,159,966.96
  5. Step 5: Solve for x
    x = 634,159,966.96/33,420.94
  6. Step 6: Final answer
    x = 18,974.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.